Putter head



FIG. 1 is a front, top and side perspective view of a putter head showing my new design;

FIG. 2 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view there; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a putter head, as shown and described. 